4. Anesthesia Math II

Question 1

lidocaine toxic dose w/o epi

Answer 1

4mg/kg

Question 2

lidocaine toxic dose w/epi

Answer 2

7 mg/kg

Question 3

marcaine (bupivicaine) toxic dose w/o epi

Answer 3

2.5 mg/kg

Question 4

marcaine (bupivicaine) toxic dose w/epi

Answer 4

3 mg/kg

Question 5

marcaine max toxic dose

Answer 5

225mg

Question 6

ropivacaine toxic dose w/o epi

Answer 6

3 mg/kg

Question 7

ropivacaine toxic dose w/epi

Answer 7

4 mg/kg

Question 8

ropivacaine max toxic dose

Answer 8

225mg

Question 9

1:1000

Answer 9

1 g : 1000 mL

1000000 mcg: 1000 mL

or 1000 mcg/mL

Question 10

1:10000

Answer 10

100 mcg/mL

Question 11

1:200,000

Answer 11

5 mcg/mL

Question 12

BMI

Answer 12

BMI= kg/(m^2)

Question 13

1 inch

Answer 13

2.54 cm

Question 14

ideal body weight
males

Answer 14

50+2.3(inches over 5ft)

Question 15

ideal body weight
females

Answer 15

45.5+2.3(inches over 5 ft)

Question 16

Ideal body weight units

Answer 16

kg

Question 17

when do you want to bolus phenylephrine

Answer 17

low BP
normal and/or high HR

Question 18

Phenylephrine dilution steps

Answer 18

1. 10mg phenylephrine
2. 10mL saline
3. inject 0.1mL phenylephrine into saline

1mL = 100 mcg phenylephrine

Question 19

“double dilution”

Answer 19

1. 1mL phenylephrine into 9mL saline
   (1000mcg/mL)
2. 1 mL of 1000mcg/mL into 9mL saline
   (100mcg/mL)

Question 20

bolus ephedrine when

Answer 20

low BP
low high HR

Question 21

make ephedrine syringe

Answer 21

1. get 50 mg ephedrine vial
2. draw 4 mL saline
3. draw 1 mL ephedrine
   (50mg/5mL)

10mg/mL ephedrine in 5 mL syringe

Question 22

make phenylephrine drip

Answer 22

10mg into 250mL = 40mcg/mL

Question 23

double strength phenylephrine drip

Answer 23

20mg into 250mL = 80mcg/mL

Question 24

quad strength phenylephrine drip

Answer 24

40mg into 250mL = 160mcg/mL